UnitedHealth Group gained more than 12% in premarket trading after Warren Buffett's company revealed a new investment in the ...

Berkshire Hathaway, the multinational conglomerate led by legendary investor Warren Buffett, acquired a stake valued at approximately $1.6 billion in insurer UnitedHealth Group, a regulatory filing ...

The Oracle of Omaha just took a $1.6 billion stake in the battered healthcare giant, sending shares soaring 9% after hours.

The stock market cut losses but it wasn't enough to erase all of the early losses made on a hot inflation report.

U.S. stock futures rose on Friday, driven by hopes of a September interest rate cut. UnitedHealth surged after Berkshire Hathaway invested in it, while the overall healthcare sector outperformed.

UnitedHealth jumps after Berkshire Hathaway discloses a stake in the health insurer, while Applied Materials tumbles ...

Warren Buffett, CEO of Berkshire Hathaway, disclosed his second-quarter 13F filing, revealing some sweeping changes to his stock portfolio.

Michael Burry's Scion Asset Management switched out a bet against Nvidia for a wager on Meta as it overhauled its stock ...

Only one of the four new investments was big enough to ensure that legendary investor Warren Buffett may have handled them.

Berkshire Hathaway made a surprising $1.6 billion investment in UnitedHealth Group during the second quarter, even as the ...